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authorVolker Reichelt <reichelt@igpm.rwth-aachen.de>2006-05-15 08:52:29 +0000
committerVolker Reichelt <reichelt@gcc.gnu.org>2006-05-15 08:52:29 +0000
commitdca56f77ee6797d96370360a8d105034223d3e6c (patch)
tree31e8df92419c6b103c7b23b4f257c5110c725995
parent05b449213cccb347aa6d0ee65e4fb9b7ad242b6b (diff)
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re PR c++/27496 (ICE on broken templated friend)
PR c++/27496 * pt.c (tsubst_friend_class): Return early on invalid friend declarations. * g++.dg/template/void2.C: New test. From-SVN: r113776
-rw-r--r--gcc/cp/ChangeLog6
-rw-r--r--gcc/cp/pt.c2
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/g++.dg/template/void2.C9
4 files changed, 22 insertions, 0 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 593ee2c..632c7bb 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,9 @@
+2006-05-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
+
+ PR c++/27496
+ * pt.c (tsubst_friend_class): Return early on invalid friend
+ declarations.
+
2006-05-14 H.J. Lu <hongjiu.lu@intel.com>
* Make-lang.in (cp/decl.o): Add dependency on $(TARGET_H).
diff --git a/gcc/cp/pt.c b/gcc/cp/pt.c
index c1530fb..1634d2b 100644
--- a/gcc/cp/pt.c
+++ b/gcc/cp/pt.c
@@ -5435,6 +5435,8 @@ tsubst_friend_class (tree friend_tmpl, tree args)
case, the instantiation of the template class will cause the
injection of this template into the global scope. */
tmpl = tsubst (friend_tmpl, args, tf_warning_or_error, NULL_TREE);
+ if (tmpl == error_mark_node)
+ return error_mark_node;
/* The new TMPL is not an instantiation of anything, so we
forget its origins. We don't reset CLASSTYPE_TI_TEMPLATE for
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index a2a2ae5e..ea7859d 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2006-05-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
+
+ PR c++/27496
+ * g++.dg/template/void2.C: New test.
+
2006-05-14 Alexandre Oliva <aoliva@redhat.com>
* g++.dg/template/dependent-expr5.C: New test.
diff --git a/gcc/testsuite/g++.dg/template/void2.C b/gcc/testsuite/g++.dg/template/void2.C
new file mode 100644
index 0000000..aa04178
--- /dev/null
+++ b/gcc/testsuite/g++.dg/template/void2.C
@@ -0,0 +1,9 @@
+// PR c++/27496
+// { dg-do compile }
+
+template<int> struct A
+{
+ template<void> friend class X; // { dg-error "void" }
+};
+
+A<0> a; // { dg-error "instantiated" }